Bump semver and npm in /site2

Bumps [semver](https://github.com/npm/node-semver) to 7.5.4 and updates ancestor dependencies [semver](https://github.com/npm/node-semver) and [npm](https://github.com/npm/cli). These dependencies need to be updated together.


Updates `semver` from 6.3.0 to 7.5.4
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/main/CHANGELOG.md)
- [Commits](npm/node-semver@v6.3.0...v7.5.4)

Updates `semver` from 7.3.8 to 7.5.4
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/main/CHANGELOG.md)
- [Commits](npm/node-semver@v6.3.0...v7.5.4)

Updates `npm` from 8.19.3 to 9.8.0
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/CHANGELOG.md)
- [Commits](npm/cli@v8.19.3...v9.8.0)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
- dependency-name: semver
  dependency-type: indirect
- dependency-name: npm
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>